This model is a basic one that our factory developed.Mainly adopt common wall, NO.14 common upper beam ,and 10*10 body jointed style in the middle and downside.It can improve middle beam,and increase the stability of the machine. It adopt mechanical spring let off and mechanical take up. It adopt two big and one small rollers in the front, which can ensure weft and warp selector of thin fabric and filament yarn. It joins the device of weft breakage protect and warping breakage protect. The part of knitting always use the structure of twin towers plate or the small cam dobby with 4 frames.It adopt mechanical monochrome or electronic multicolor weft selector, widely used in plain monochrome and plain multicolor woven fabrics.Specification of the machine Model HYR737 are as follows: